Each of these states should pass a law requiring ANYONE carrying concealed to have a state issued carry permit, with specific severe limitations for federal agents (their licenses are temporary, and require state commission approval upon full legal documentation of reason for the request, and are only certified for a particular warrant and time, under penalty of felony) and jail the first g-man to disobey, hence losing his ability to retain his job under current federal law.
Two way street. Use their own tactics against them. Have the arrest carried out by the county sheriff, the supreme law enforcement of the area. That should get a foot in the door of scotus to put the issue to test.
Excellent idea !